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leetcode 【 Find Minimum in Rotated Sorted Array II 】python 实现
题目:Follow upfor "Find Minimum in Rotated Sorted Array":What ifduplicatesare allowed?Would this affect the run-time complexity? How and why?Suppose a s...
分类:编程语言   时间:2015-01-31 16:09:35    阅读次数:170
Prim 最小生成树算法
Prim 算法是一种解决最小生成树问题(Minimum Spanning Tree)的算法。和 Kruskal 算法类似,Prim 算法的设计也是基于贪心算法(Greedy algorithm)。Prim 算法的思想很简单,一棵生成树必须连接所有的顶点,而要保持最小权重则每次选择邻接的边时要选择较小...
分类:编程语言   时间:2015-01-31 10:34:32    阅读次数:299
leetcode 【 Minimum Path Sum 】python 实现
题目:Given amxngrid filled with non-negative numbers, find a path from top left to bottom right whichminimizesthe sum of all numbers along its path.Note...
分类:编程语言   时间:2015-01-31 01:44:45    阅读次数:205
Find Minimum in Rotated Sorted Array I && II
这些题比较考验边界条件 Find Minimum in Rotated Sorted Array class Solution { public: int findMin(vector &num) { int left = 0, right = num.size()-1; while(num[left] > num[right]){ ...
分类:其他好文   时间:2015-01-30 19:42:26    阅读次数:120
Leetcode#153 Find Minimum in Rotated Sorted Array
原题地址简化版本的Find Minimum in Rotated Sorted Array II(参见这篇文章)二分查找最小值,每次只需要查看其中一个二分区间即可。如果A[i] A[j]则说明A[i..j]肯定是非连续的,说明最小值肯定出现在A[i..j]中当中,之后继续在这一半内查找,另一半可以....
分类:其他好文   时间:2015-01-30 10:40:27    阅读次数:127
leetcode 【 Find Minimum in Rotated Sorted Array 】python 实现
题目:Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e.,0 1 2 4 5 6 7might become4 5 6 7 0 1 2).Find the minimum element.Yo...
分类:编程语言   时间:2015-01-30 01:18:23    阅读次数:310
RMQ && 树状数组 (初学)
先复习一下今天刚学的RMQ算法知识; RMQ算法(Range Minimum Query) :1.算法思想          求静态范围最值问题,适合于静态连续区间查询。           A[ i ] [ j ] 的值代表的是原数组中以 i 开始的连续 (1 2.代码 //2.1 预处理代码 for(int j = 1 ; j != 20 ; ++j ) //...
分类:编程语言   时间:2015-01-29 22:35:37    阅读次数:313
Triangle
https://oj.leetcode.com/problems/triangle/Given a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers o...
分类:其他好文   时间:2015-01-29 22:27:51    阅读次数:189
杭电二分题
Description Now, here is a fuction:    F(x) = 6 * x^7+8*x^6+7*x^3+5*x^2-y*x (0 Can you find the minimum value when x is between 0 and 100.   Input The first line of the input contai...
分类:其他好文   时间:2015-01-29 17:41:59    阅读次数:215
Find Minimum in Rotated Sorted Array
题目: Suppose a sorted array is rotated at some pivot unknown to you beforehand. (i.e., 0 1 2 4 5 6 7 might become 4 5 6 7 0 1 2). Find the minimum element. You may assume no duplicate e...
分类:其他好文   时间:2015-01-29 17:41:59    阅读次数:167
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